770988 has 24 divisors (see below), whose sum is σ = 1838592. Its totient is φ = 251344.

The previous prime is 770981. The next prime is 770993. The reversal of 770988 is 889077.

It is a super-2 number, since 2×770988² = 1188844992288, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770988.

It is not an unprimeable number, because it can be changed into a prime (770981) by changing a digit.

770988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁷⁷⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

770988 is an abundant number, since it is smaller than the sum of its proper divisors (1067604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770988 is a wasteful number, since it uses less digits than its factorization.

770988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 770988 is about 878.0592235151. The cubic root of 770988 is about 91.6957498168.

The spelling of 770988 in words is "seven hundred seventy thousand, nine hundred eighty-eight".